help with old D.M.Inglis late 50's

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Re: help with old D.M.Inglis late 50's

Postby singlespeedscott » Wed Aug 20, 2014 10:15 pm

Why wouldn't you say it's designed for racing? It looks to me like a classic late 50's - 1960's racing bike to me.
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by BNA » Fri Aug 22, 2014 6:27 pm

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Re: help with old D.M.Inglis late 50's

Postby Wire10 » Fri Aug 22, 2014 6:27 pm

Thanks John. Swift response for me. It's a shame I can't nail it down. It was sold to me on eBay as a Peugeot which I wasn't sure about from the pics he'd sent through but what was clear was at £70 it was a bargain. My son wants it sprayed up as a Peugeot but to me that's just wrong on a few counts.....lovely frame though....
Thanks again.


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Re: help with old D.M.Inglis late 50's

Postby Johnj » Sun Aug 24, 2014 10:59 pm

singlespeedscott wrote:Why wouldn't you say it's designed for racing? It looks to me like a classic late 50's - 1960's racing bike to me.

Just little details, like the long wheelbase, slack angles, clearances for 27" wheels, amount of fork rake, 26.8 seatpost (ie probably plain guage tubing) etc. I enjoy riding it, and it worked well on the Noosa Strada Bianchi and Beechworth Eroica. But I was talking about the bike to a bloke who raced as a junior in the late 1950s. He said that people raced with similar setups, because there was so little money around. But the amount of money tied up in the compentry on this bike would probably have been better spent on a lighter frame with sharper handling for a serious racer.

Wire10 wrote:Thanks John. Swift response for me. It's a shame I can't nail it down. It was sold to me on eBay as a Peugeot which I wasn't sure about from the pics he'd sent through but what was clear was at £70 it was a bargain. My son wants it sprayed up as a Peugeot but to me that's just wrong on a few counts.....lovely frame though...


Any reason you think it's not a Peugeot? PX10s came with Nervex lugs.....
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Re: help with old D.M.Inglis late 50's

Postby singlespeedscott » Mon Aug 25, 2014 7:51 pm

Johnj wrote:
singlespeedscott wrote:Why wouldn't you say it's designed for racing? It looks to me like a classic late 50's - 1960's racing bike to me.

Just little details, like the long wheelbase, slack angles, clearances for 27" wheels, amount of fork rake, 26.8 seatpost (ie probably plain guage tubing) etc. I enjoy riding it, and it worked well on the Noosa Strada Bianchi and Beechworth Eroica. But I was talking about the bike to a bloke who raced as a junior in the late 1950s. He said that people raced with similar setups, because there was so little money around. But the amount of money tied up in the compentry on this bike would probably have been better spent on a lighter frame with sharper handling for a serious racer.....


Looking at the classic lightweights site you'll see plenty of English race bikes from the 50's and 60's with similar geometry.

27" wheels where standard fare as training wheels in the day as such you needed clearances for 1 1/4 tyres and brakes with enough reach for singles. Also essential when a lot of the roads you trained on where dirt. Dirt roads where another reason for the relaxed geometry.

I have had plenty of butted Reynolds 531 frames with 26.8mm posts.
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Re: help with old D.M.Inglis late 50's

Postby dayne » Tue Sep 02, 2014 4:51 am

Glad to see it's being used, out of about 80-100 bikes I have owned in the last 5 years this is the only one I think about, I am only 177cm and ride a 54-55 and was gutted to see this too big for me it's an amazing bike
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Re: help with old D.M.Inglis late 50's

Postby singlespeedscott » Tue Sep 02, 2014 7:57 pm

I'm 178 and ride 61cm frames! Your legs must be short like mine are long :lol:
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Re: help with old D.M.Inglis late 50's

Postby dayne » Tue Sep 02, 2014 8:24 pm

Pretty standard proportions really, 905mm centre of pedal to top of saddle.
If your 178 and ride 61cm then what do people 185cm ride?
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Re: help with old D.M.Inglis late 50's

Postby singlespeedscott » Tue Sep 02, 2014 8:46 pm

My saddle height is 783mm regardless of my crank length be it 165mm on the fixed gear or 180 mm on the singlespeed mtb.
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Re: help with old D.M.Inglis late 50's

Postby dayne » Tue Sep 02, 2014 9:30 pm

I always measure to pedals as I run any where from 165-175mm cranks in different bikes so 10mm is way to much variance, your legs must be on the very long size
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Re: help with old D.M.Inglis late 50's

Postby singlespeedscott » Tue Sep 02, 2014 9:36 pm

All legs and a short torso.
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Re: help with old D.M.Inglis late 50's

Postby Johnj » Tue Sep 02, 2014 11:04 pm

Well I've just had an interesting time with the tape measure. I have an 840mm inseam and the saddle top is at 740mm, and the pedal centre to saddle top is about 925mm. I normally set my saddle at around 740-745mm above crank centre, almost spot on the 740mm suggested by the Lemond method.

I normally ride about a 57cm (c-c) frame but I'm not hard and fast on the size. It varies depending on the saddle, setback, angles, bar height and design, crank length, bb height etc etc. The DMI was probably built as a 24" frame, 24" top tube c-c and 24" seat tube c-t. Unfortunately, the bike is really too long in the top tube for me. I have the saddle pushed as far forward as I can, but the reach is still probably 15-20mm too long. Less setback on the seatpost or a shorter stem would cure that, but I don't want to mess around with a nice bike....
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Re: help with old D.M.Inglis late 50's

Postby singlespeedscott » Wed Sep 03, 2014 6:27 am

Doh.
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